oldest and largest bear in the world - the South American.He lived in the Pleistocene ice age in the area of modern Argentina.It is the largest bear in the world at all times.The weight of the male was about 1600 kilograms, and its growth - up to 3.4 meters (if the animal stood on his hind legs).
should be said that the world's largest bear lived long enough, despite the presence of a large number of serious injuries: its fossils are traces of fighting.Fighting allegedly occurred for the attention of females and prey.I ate the biggest bear large mammals.
should be said that for a long time the representatives of this large family of natural selection significantly decreased in size.Thus, the only remaining representative, spectacled bear, has a weight of not more than one hundred and forty kilograms.
Today most individuals considered overall, with the weight of 400-500 kilograms.Today is the big bear - white.These animals are settled over large areas, but did not actively protect them.
biggest bear can be very aggressive.This is particularly evident during the mating period.At this time, often there are males fight with each other.Females, on the other hand, have a relatively gentle disposition.They are friendly and patient.Bear often arrange lair nearby.Often females take other people's young, treating them as their own.There are cases when one den lived two females.
biggest bear mating begins in the spring or summer.Near the females going from three to seven males.The resulting vapor is briefly together - no more than three days - at the time of finding females in estrus (heat).
biggest bear is widely migrates to the poles from the shores of the Arctic Ocean.Pregnant females in the fall go to the mainland to make a den.Cubs are born in the coldest period.Before you lie down in the den, the female fatten sufficient amount of fat that is consumed throughout the winter.
should be noted that a location convenient for the device dens, not so much.They require multimeter steady snow drifts.Typically, they are produced on hilly areas or pologosklonnyh low mountains.Some are located in the interior of the island, while others - on the shore.The females have a favorite place and where they are going to give birth.For example on the island of Franz Josef, and Wrangel Island every year there are about one hundred and fifty - two hundred dens.Because of this dense cluster bears these places are also called "maternity homes".
Bear lie dormant immediately after the device dens, and by mid-November.By this time, it begins the development of eggs.Females occur in the den for six months.And in the middle of winter born calves.As a rule, there are two bear.Although the number of calves can be from one to three.
